On Tue, Aug 12, 2008 at 3:18 AM, Javier Rodriguez <ungue79 AT yahoo DOT es> 
wrote:
> Hello, i've got a similar issue.
>
> Device "Driver1" (/dev/nst0) open but no Bacula volume is currently mounted.
>    Device is BLOCKED waiting for mount of volume "A0000001",
>       Pool:        LunesPool
>       Media type:  VXA-X23
>    Slot 1 is loaded in drive 0.
>    Total Bytes Read=0 Blocks Read=0 Bytes/block=0
>    Positioned at File=0 Block=0
>
> Usually backups gets fine, but sometimes it gets the following messages:
>
> 11-Aug 22:00 servfich-dir JobId 104: Start Backup JobId 104, 
> Job=Backup_de_Trabajo_Diario.2008-08-11_22.00.36
> 11-Aug 22:00 servfich-dir JobId 104: There are no more Jobs associated with 
> Volume "A0000001". Marking it purged.
> 11-Aug 22:00 servfich-dir JobId 104: All records pruned from Volume 
> "A0000001"; marking it "Purged"
> 11-Aug 22:00 servfich-dir JobId 104: Recycled volume "A0000001"
> 11-Aug 22:00 servfich-sd JobId 104: 3301 Issuing autochanger "loaded? drive 
> 0" command.
> 11-Aug 22:00 servfich-sd JobId 104: 3302 Autochanger "loaded? drive 0", 
> result is Slot 5.
> 11-Aug 22:00 servfich-sd JobId 104: 3307 Issuing autochanger "unload slot 5, 
> drive 0" command.
> 11-Aug 22:03 servfich-dir JobId 104: Using Device "Driver1"
> 11-Aug 22:03 servfich-sd JobId 104: 3301 Issuing autochanger "loaded? drive 
> 0" command.
> 11-Aug 22:03 servfich-sd JobId 104: 3302 Autochanger "loaded? drive 0", 
> result: nothing loaded.
> 11-Aug 22:03 servfich-sd JobId 104: 3304 Issuing autochanger "load slot 1, 
> drive 0" command.
> 11-Aug 22:06 servfich-sd JobId 104: 3305 Autochanger "load slot 1, drive 0", 
> status is OK.
> 11-Aug 22:06 servfich-sd JobId 104: 3301 Issuing autochanger "loaded? drive 
> 0" command.
> 11-Aug 22:06 servfich-sd JobId 104: 3302 Autochanger "loaded? drive 0", 
> result is Slot 1.
> 11-Aug 22:06 servfich-sd JobId 104: Error: block.c:995 Read error on fd=6 at 
> file:blk 0:0 on device "Driver1" (/dev/nst0). ERR=Input/output error.
> 11-Aug 22:06 servfich-sd JobId 104: 3301 Issuing autochanger "loaded? drive 
> 0" command.
> 11-Aug 22:06 servfich-sd JobId 104: 3302 Autochanger "loaded? drive 0", 
> result is Slot 1.
> 11-Aug 22:06 servfich-sd JobId 104: 3301 Issuing autochanger "loaded? drive 
> 0" command.
> 11-Aug 22:06 servfich-sd JobId 104: 3302 Autochanger "loaded? drive 0", 
> result is Slot 1.
> 11-Aug 22:06 servfich-sd JobId 104: Error: block.c:995 Read error on fd=6 at 
> file:blk 0:0 on device "Driver1" (/dev/nst0). ERR=Input/output error.
> 11-Aug 22:06 servfich-sd JobId 104: 3301 Issuing autochanger "loaded? drive 
> 0" command.
> 11-Aug 22:06 servfich-sd JobId 104: 3302 Autochanger "loaded? drive 0", 
> result is Slot 1.
> 11-Aug 22:06 servfich-sd JobId 104: 3301 Issuing autochanger "loaded? drive 
> 0" command.
> 11-Aug 22:06 servfich-sd JobId 104: 3302 Autochanger "loaded? drive 0", 
> result is Slot 1.
> 11-Aug 22:06 servfich-sd JobId 104: Error: block.c:995 Read error on fd=6 at 
> file:blk 0:0 on device "Driver1" (/dev/nst0). ERR=Input/output error.
> 11-Aug 22:06 servfich-sd JobId 104: 3301 Issuing autochanger "loaded? drive 
> 0" command.
> 11-Aug 22:06 servfich-sd JobId 104: 3302 Autochanger "loaded? drive 0", 
> result is Slot 1.
> 11-Aug 22:06 servfich-sd JobId 104: 3301 Issuing autochanger "loaded? drive 
> 0" command.
> 11-Aug 22:06 servfich-sd JobId 104: 3302 Autochanger "loaded? drive 0", 
> result is Slot 1.
> 11-Aug 22:06 servfich-sd JobId 104: Error: block.c:995 Read error on fd=6 at 
> file:blk 0:0 on device "Driver1" (/dev/nst0). ERR=Input/output error.
> 11-Aug 22:06 servfich-sd JobId 104: 3301 Issuing autochanger "loaded? drive 
> 0" command.
> 11-Aug 22:06 servfich-sd JobId 104: 3302 Autochanger "loaded? drive 0", 
> result is Slot 1.
> 11-Aug 22:06 servfich-sd JobId 104: 3301 Issuing autochanger "loaded? drive 
> 0" command.
> 11-Aug 22:06 servfich-sd JobId 104: 3302 Autochanger "loaded? drive 0", 
> result is Slot 1.
> 11-Aug 22:06 servfich-sd JobId 104: Error: block.c:995 Read error on fd=6 at 
> file:blk 0:0 on device "Driver1" (/dev/nst0). ERR=Input/output error.
> 11-Aug 22:06 servfich-sd JobId 104: Please mount Volume "A0000001" or label a 
> new one for:
>
These messages seem to indicate that the tape is not ready, not loaded
or other wise can not be read by bacula. I seem to remember that VXA
tapes sometimes perform a quality control phase that may make a tape
load take 18 minutes or so.. I would look into this other users have
discussed this.


This in my opinion is different from what I have seen when bacula does
not recognize a loaded tape. In my experience the tape is loaded and
the storage daemon recognizes that but bacula does not think it is
loaded and does not even try to access the tape drive to check. When
thinking of this I can see why it does not do that. If the tape is not
at the beginning it would have to fully rewind to determine the label.

John

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